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Add 54/20 and 27/21

1st number: 2 14/20, 2nd number: 1 6/21

54/20 + 27/21 is 279/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 21 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    54/20 = 54 × 21/20 × 21 = 1134/420
  3. Likewise, for the 2nd fraction, since 21 × 20 = 420,
    27/21 = 27 × 20/21 × 20 = 540/420
  4. Add the two like fractions:
    1134/420 + 540/420 = 1134 + 540/420 = 1674/420
  5. 1674/420 simplified gives 279/70
  6. So, 54/20 + 27/21 = 279/70
    In mixed form: 369/70

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